Unlike Atoms,molecules Can

question 38

Multiple Choice

Unlike atoms,molecules can:

• A) rotate.
• B) vibrate.
• C) spin.
• D) Both A and B.
• E) All of the above.

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Definitions:

Null Hypothesis

In statistics, it is the default or initial presumption that there is no effect or no difference, often symbolized as H0.

Alternative Hypothesis

A statistical hypothesis that proposes a difference or effect, in contrast to the null hypothesis which suggests no effect or relationship.

Wilcoxon Signed Rank Test

A nonparametric statistical test used when comparing two related samples or repeated measurements on a single sample to assess whether their population mean ranks differ.

Null Hypothesis

A default hypothesis that indicates no effect or no difference, and is tested against an alternative hypothesis.